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ENGR 242
Concordia
Course Overview
Lessons & Practice
1. Introduction
55min2. Force Vectors (Review)
6hr2.2.1. Scalars & Vectors - Definitions & Examples3 min2.2.2. Vectors (2D)12 min2.2.3. Vectors (3D)6 min2.2.4. Examples: Scalars and Vectors (Sine and Cosine Laws)13 min2.2.5. Practice: Scalars and Vectors (Sine and Cosine Laws)10 min2.2.6. Practice: Scalars and Vectors (Catesian Format, Sine Law)16 min2.2.7. Example: Scalars and Vectors (Rectangular Components)13 min2.2.8. Practice: Scalars and Vectors (Rectangular Components) 11 min
2.6.1. Forces 3D Cartesian Form (IMPORTANT!)11 min2.6.2. Example 1 - Part 1: 3D Force Vectors 11 min2.6.3. Example 1 - Part 2: 3D Force Vectors 7 min2.6.4. Example 2: 3D Force Vectors13 min2.6.5. Example: Forces in Cartesian Vector Form16 min2.6.6. Practice 1: 3D Force Vectors10 min2.6.7. Practice: 3D Vector Practice Questions Part 15 min2.6.8. Practice: 3D Vector Practice Questions Part 26 min
3. Statics of Particles
4hr3.3.1. Ropes, Cables, and Springs (2D Equilibrium)7 min3.3.2. Pulleys (2D Equilibrium)7 min3.3.3. Example 1: Ropes and Cables (2D)11 min3.3.4. Practice 1: Ropes and Cables (2D)13 min3.3.5. Example 2: Part 1 - Pulleys (2D) - IMPORTANT!12 min3.3.6. Example 2: Part 2 - Pulleys (2D) - IMPORTANT! 6 min3.3.7. Practice 2: Pulleys (2D) - IMPORTANT!13 min3.3.8. Example Question 1: Cables and Springs5 min3.3.9. Example Question 2: Cables and Hanging Weights3 min3.3.10. Example Question 3: Two Cables7 min
3.6.1. Example Question 1: Cables and Weights3.6.2. Example Question 2: Weights and Two Cables3.6.3. Example Question 3: Cables3.6.4. Particle Equilibrium - Practice Questions (2D Problems - Part 1)3.6.5. Particle Equilibrium - Practice Questions (2D Problems - Part 2)8 min3.6.6. Particle Equilibrium - Practice Questions (3D Problems - Part 1)9 min3.6.7. Particle Equilibrium - Practice Questions (3D Problems - Part 2)13 min3.6.8. Quiz: Practice Questions - Particle Equilibrium (Part 1)1 Qn3.6.9. Quiz: Practice Questions - Particle Equilibrium (Part 2)2 Qns
4. Rigid Bodies: Equivalent Systems of Forces
6hr4.3.1. Moments About a Point - Scalar Formulation (for 2D)12 min4.3.2. Example 1 - Part 1 (M= r x F): Moment About a Point (2D)11 min4.3.3. Example 1 - Part 2 (M= Fd): Moment About a Point (2D)7 min4.3.4. Example 2: Moment About a Point (2D) - M = Fd 11 min4.3.5. Example: Computing Moments About a Point 4.3.6. Example: Computing Moments About a Point Example6 min4.3.7. Example: Computing Moments About a Point11 min4.3.8. Practice: Moments About a Point (2D) 7 min4.3.9. Practice: Moments About a Point (2D)13 min4.3.10. Moments About a Point - Practice Questions (2D)4.3.11. Quiz: Moments About a Point - Practice Questions (2D)4 Qns4.3.12. Moments About a Point - Vector formulation (for 3D)4.3.13. Example 1: Moment About a Point (3D) 12 min4.3.14. Practice: Moments About a Point (3D) 10 min4.3.15. Practice: Moments About a Point (3D)6 min4.3.16. Moments About a Point - Practice Questions (3D)4.3.17. Quiz: Moments About a Point - Practice Questions (3D)2 Qns
4.4.1. Computing Moments About an Axis2 min4.4.2. Example: Computing Moments About An Axis6 min4.4.3. Practice: Moments About an Axis (Part 1)7 min4.4.4. Moments About an Axis - Practice Questions (Part 1)4.4.5. Moments About an Axis - Practice Questions (Part 2)4.4.6. Quiz: Computing Moments About on Axis1 Qn
4.5.1. Couple Moments (with Example)6 min4.5.2. Couple Moments4 min4.5.3. Couple Moments - The Basics9 min4.5.4. Example 1: Couple Moments (2D)3 min4.5.5. Example 2: Couple Moments (2D)6 min4.5.6. Practice: Couple Moments (2D)5 min4.5.7. Couple Moments Practice - 2D (New)2 min4.5.8. Quiz: Couple Moments - Quiz Practice Questions (2D)2 Qns4.5.9. Example 3: Couple Moments (3D)17 min4.5.10. Practice: Couple Moments (3D)8 min4.5.11. Couple Moments Practice - 3D (New)6 min4.5.12. Quiz: Couple Moments - 3D Quiz1 Qn
4.6.1. Reduction of System of Forces & Moments (Equivalency)9 min4.6.2. Example: Force-Moment Systems4.6.3. Example 1: Equivalency (2D) - Part 112 min4.6.4. Example 1: Equivalency (2D) - Part 27 min4.6.5. Force Moment Systems - Practice Questions4.6.6. Force Moment Systems - Practice Questions (Shifting Wrench)4.6.7. Force Moment Systems - Practice Questions (3D)4.6.8. Practice 3: Equivalency - Force-Couple (3D)14 min4.6.9. Quiz: Force-Moment Systems2 Qns
4.7.1. Distributed Loads (Common Geometric Shapes & Integration)15 min4.7.2. Distributed Loads (Integration (more))6 min4.7.3. Example: Distributed Loads (Geometric Example)4.7.4. Example: Distributed Loads - Geometric2 min4.7.5. Distributed Loads - Practice Questions (Geometric Shapes)4.7.6. Quiz: Distributed Loads - Quiz Practice Questions (Geometric Shapes)4 Qns4.7.7. Quiz: Distributed Loads Practice - Geometric Shapes Quiz2 Qns4.7.8. Quiz: Distributed Loads - Quiz Practice Questions (Geometric Shapes)4 Qns4.7.9. Example 1: Distributed Loads9 min4.7.10. Example 2: Distributed Loads11 min4.7.11. Practice 1: Distributed Loads10 min4.7.12. Practice 2: Distributed Loads10 min4.7.13. Distributed Loads - Practice Questions (Geometric Shapes)6 min4.7.14. Example: Distributed Loads (Integration Example)4.7.15. Example: Distributed Loads - Integration2 min4.7.16. Distributed Loads - Practice Questions (Integration)4.7.17. Distributed Loads - Practice Questions (Integration)4 min4.7.18. Distributed Loads Practice - Integration4 min4.7.19. Distributed Loads Practice - Integration4.7.20. Quiz: Distributed Loads Practice - Integration Quiz1 Qn4.7.21. Quiz: Distributed Loads Practice - Integration Quiz1 Qn
5. Equilibrium of Rigid Bodies
7hr5.1.1. Rigid Body Equilibrium (2D)9 min5.1.2. 2D Rigid Body - Free Body Diagram (FBD) Practice 18 min5.1.3. Example 1: 2D Rigid Body Equilibrium 11 min5.1.4. Practice 2: 2D Rigid Body Equilibrium 25 min5.1.5. Practice 3: Spring Practice Problem 21 min5.1.6. 2D Solution Method53 sec5.1.7. Example: 2D Solution Method5.1.8. Rigid Body - Practice Questions (2D - Part 1)5.1.9. Quiz: 2D solution Method5 Qns5.1.10. Practice 1: 2D Rigid Body Equilibrium (Try This - Check your work!)33 min5.1.11. Example 2: 2D Rigid Body Equilibrium - Part 2 (IMPORTANT!) 10 min5.1.12. Example 2: 2D Rigid Body Equilibrium - Part 1 (IMPORTANT!)16 min5.1.13. Example: 2D Solution Method6 min5.1.14. 2D Solution Method3 min5.1.15. Practice: Rigid Body (2D - Part 1)10 min
5.2.1. 2D Solution Method53 sec5.2.2. Example: 2D Solution Method Example4 min5.2.3. Practice: Rigid Body (2D - Part 1)6 min5.2.4. Practice: Rigid Body (2D - Part 2)2 min5.2.5. Quiz: 2D solution Method Quiz7 Qns5.2.6. Practice: Rigid Body Practice - 2D (Part 1)2 min5.2.7. Practice: Rigid Body 2D (Part 2)8 min5.2.8. Practice: Rigid Body 2D (Part 3)8 min5.2.9. Quiz: 2D Solution Method (New)5 Qns
5.3.1. 3D Rigid Body Equilibrium14 min5.3.2. 3D Rigid Body - Support Reactions and FBDs12 min5.3.3. Example 1: 3D Rigid Body Equilibrium (IMPORTANT!) - Part 114 min5.3.4. Example 1: 3D Rigid Body Equilibrium - Part 210 min5.3.5. Example 1: 3D Rigid Body Equilibrium - Part 317 min5.3.6. Example 2: 3D Rigid Body Equilibrium32 min5.3.7. Practice 1: 3D Rigid Body Equilibrium (IMPORTANT!)38 min5.3.8. Practice 2: 3D Rigid Body Equilibrium (IMPORTANT!)34 min
6. Distributed Forces: Centroids and Center of Gravity
4hr6.1.1. Centroids of Area12 min6.1.2. Centroids of Area17 min6.1.3. Example: Centroids of Area - Geometric (DO THIS!)10 min6.1.4. Example: Centroids of Area - Integration (OPTIONAL)15 min6.1.5. Practice: Centroids Practice - Geometric (DO THIS!)11 min6.1.6. Practice: Centroids Geometric (DO THIS!)9 min6.1.7. Practice: Centroids Geometric10 min6.1.8. Quiz: Centroids Practice - Geometric Quiz (New)2 Qns6.1.9. Practice: Centroids - Geometric 3D (OPTIONAL)17 min6.1.10. Practice: Centroids - Integration16 min6.1.11. Practice: Centroids - Integration14 min6.1.12. Quiz: Centroids Practice - Integration Quiz (New)1 Qn
6.3.1. Hydrostatics20 min6.3.2. Example 1: Hydrostatics (IMPORTANT - EXAM LIKE!)18 min6.3.3. Example 2 - Part 1: Hydrostatics (IMPORTANT - EXAM LIKE!)15 min6.3.4. Example 2 - Part 2: Hydrostatics (IMPORTANT - EXAM LIKE!)18 min6.3.5. Practice 1: Hydrostatics (IMPORTANT - EXAM LIKE!)13 min6.3.6. Practice 2: Hydrostatics (IMPORTANT - EXAM LIKE!)14 min
7. Analysis of Structures
5hr7.3.1. Example 1: Method of Sections 17 min7.3.2. Example 2 - Part 1: Combo of Method of Joints and Method of Sections12 min7.3.3. Example 2 - Part 2: Combo of Method of Joints and Method of Sections12 min7.3.4. Practice 1: Method of Sections22 min7.3.5. Practice 2: Method of Sections19 min7.3.6. Practice 3: Method of Sections 19 min7.3.7. Method of Sections (MOS)10 min7.3.8. Quiz: Method of Sections Practice5 Qns7.3.9. Quiz: Method of Sections Practice5 Qns
7.4.1. Frames and Machines13 min7.4.2. Example 1 - Part 1: Frames and Machines (IMPORTANT-EXAM LIKE!)11 min7.4.3. Example 1 - Part 2: Frames and Machines (IMPORTANT - EXAM LIKE!)8 min7.4.4. Example 2: Frames and Machines (IMPORTANT - EXAM LIKE!)20 min7.4.5. Example - Frames and Machines - Multiple Pulleys 7.4.6. Example - compound beam7.4.7. Practice 1: Frames and Machines (IMPORTANT - EXAM LIKE!)22 min7.4.8. Practice 2: Frames and Machines Practice (IMPORTANT - EXAM LIKE!)29 min7.4.9. Practice 2: Frames and Machines (IMPORTANT-EXAM LIKE!)16 min7.4.10. Practice 3: Frames and Machines Practice (OPTIONAL)14 min7.4.11. Quiz: Frames and Machines Quiz6 Qns
8. Internal Forces and Moments
4hr8.1.1. Internal Forces10 min8.1.2. Example: Internal Force (at a point) Simple Beam8.1.3. Example: Internal Forces (at a point) bar with pulleys8.1.4. Example 1: Internal Forces at a Point (OPTIONAL) 17 min8.1.5. Example: Internal Forces6 min8.1.6. Practice: Internal Forces9 min8.1.7. Practice 1: Internal Forces at a Point (OPTIONAL) 8 min8.1.8. Practice 2: Internal Forces at a Point (OPTIONAL) 10 min
8.2.1. Method 1 - using Method of Sections7 min8.2.2. Example 1: Drawing Shear and Moment Diagrams (DO THIS!)12 min8.2.3. Practice 1: Drawing Shear and Moment Diagrams (DO THIS!)14 min8.2.4. Practice 2: Drawing Shear and Moment Diagrams (DO THIS!)16 min8.2.5. Example 2 - Part 1: ENGG 13015 min8.2.6. Example 2 - Part 2: ENGG 13015 min8.2.7. Method 2 - using Shortcuts11 min8.2.8. Practice 3 (IMPORTANT - EXAM LIKE!) : Drawing Shear and Moment Diagrams22 min8.2.9. Practice: Internal Forces (Graphical)11 min8.2.10. Practice 3: Internal Forces as a Function of x. (MUST KNOW!) 14 min8.2.11. Practice 4: Internal Forces as a Function of x. (MUST KNOW!) 10 min8.2.12. Practice 5: Internal Forces as a Function of x. (MUST KNOW!) 12 min8.2.13. Example 2: Drawing Shear and Moment Diagrams20 min
9. Friction
2.3hr9.1.1. Friction11 min9.1.2. Friction Guidelines6 min9.1.3. Example: Friction4 min9.1.4. Practice 1: Friction (EXAM-LIKE!)22 min9.1.5. Practice 2: Friction (EXAM-LIKE!)23 min9.1.6. Practice 3: Friction (EXAM-LIKE!)21 min9.1.7. Practice: Friction - Multiple Bodies7 min9.1.8. Practice: Friction - Wedges12 min9.1.9. Quiz: Friction Practice Questions6 Qns
10. Distributed Forces: Moments of Inertia
35minENGR 242 Overview
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Welcome to ENGR 242! This on-demand course was put together especially for ENGR 242 at Concordia. Use the video lessons and notes to understand your lecture topics better, and the practice questions to cement your knowledge. And don't hesitate to leave a question in the Q&A box under each lesson if you need additional help with anything. Happy studying!
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Ali 4.5
PhD - Mechanical Engineering
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